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Buffer sealing structure of one-time molding inflatable fabric

An inflatable fabric, cushioning and sealing technology, applied in fabrics, textiles, textiles and papermaking, etc., can solve the problem of rupture and failure at the junction of the air cavity and the sealing seam, and achieve the effect of easy stretching and large air permeability

Active Publication Date: 2016-08-24
HMT XIAMEN NEW TECHN MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to improve the sealing structure of the one-time molding inflatable fabric to solve the problem of rupture and failure at the junction of the air cavity and the sealing seam caused by the impinging air flow

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Buffer sealing structure of one-time molding inflatable fabric
  • Buffer sealing structure of one-time molding inflatable fabric
  • Buffer sealing structure of one-time molding inflatable fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] In this embodiment, 470 dtex nylon 66 yarn is used, and a high-speed air-jet loom equipped with a jacquard faucet is used to weave a one-time molding inflatable fabric with a warp density of 220 yarns / dm and a weft yarn density of 190 yarns / dm. like image 3 As shown, in this embodiment, multiple groups of single-thread knot seams 31 form a single-turn solid-line ring with a width h of 0.2 mm and a diameter of 680 mm. The inner side of the knotted seam 41, and the distance d from the innermost multi-threaded knotted seam is 2mm, so as to further prevent the excessive stretching of the single-threaded knotted seam. The performance indicators are shown in Table 1.

Embodiment 2

[0039] In this embodiment, 550 dtex polyester yarn is used, and a high-speed air-jet loom equipped with a jacquard faucet is used to weave a one-time molding inflatable fabric with a warp density of 220 threads / dm and a weft thread density of 170 threads / dm. In this embodiment, multiple sets of single-thread knot seams 31 form a single-turn solid-line ring with a width h of 0.4 mm and a diameter of 680 mm. Multi-turn multi-thread knot seams 41 constitute the sealing seam of this embodiment, and the single-thread knot seams 31 are in the multi-thread knot seams. 41, and the distance d from the innermost multi-thread knot seam is 2mm to further prevent the single-thread knot seam from being overstretched. The performance indicators are shown in Table 1.

[0040] Table I

[0041]

[0042] As can be seen from Table 1, the air permeability of the single-thread knotted seam of Embodiment 1 and Embodiment 2 all reaches 0.5L / dm 2 / min or more, it is enough to release the front pe...

Embodiment 3

[0045] like Figure 4 As shown, the difference of this embodiment is that the multiple groups of single-thread stitches 31 in this embodiment form a dotted line loop.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to the field of one-piece-woven fabrics, in particular to a buffering seal structure of a one-piece-woven fabric. The buffering seal structure is applicable to automobile air bags. Due to the fact that seal seams of the one-piece-woven fabrics are uniform and firm and difficult for impact airflow to break through, weak portions at junctions of an air cavity and the seal seams always become breakthrough ports for impact airflows so as to result in breakage and failure. Single-thread seams are additionally arranged inside the junctions of the air cavity and the seal seams (multi-thread seams); on the one hand, weaving points of the single-thread seams are larger in elastic tensile deformation to absorb certain energy and buffer the impact airflows; on the other hand, leading peaks (airflow portions largest in impact force) of the impact airflows can be leaked and released through the single-thread seams to greatly cut off impact energy, so that breakage and failure can be avoided. Therefore, the buffering seal structure of the one-piece-woven fabric has the advantages of capability of buffering the impact airflows and effectiveness in sealing.

Description

technical field [0001] The invention relates to the field of inflatable fabrics, which are suitable for the safety airbags of automobiles. The inflatable fabrics of the invention are manufactured by one-time molding technology, and are often called one-time molding inflatable fabrics or integrally molded inflatable fabrics. The invention particularly relates to a sealing seam structure of a once-formed inflatable fabric, and more particularly relates to a buffer sealing structure of a once-formed inflatable fabric. Background technique [0002] One-piece inflatable fabric (one-piece-woven) is a new type of fabric developed in recent years. The weaving equipment weaves the upper and lower double-layer fabrics at the same time, and the upper and lower double-layer fabrics are interwoven during the weaving process to form a seal of the joint structure. made by sewing. The traditional cut-and-sew type (cut-and-sew) is processed through the combined process of cutting pieces and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D03D1/02D03D13/00
Inventor 张初全张彬彬王向中蓝润宾李新军
Owner HMT XIAMEN NEW TECHN MATERIALS
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